3706658197541 has 32 divisors (see below), whose sum is σ = 4271080568832. Its totient is φ = 3189842979840.

The previous prime is 3706658197531. The next prime is 3706658197553. The reversal of 3706658197541 is 1457918566073.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3706658197541 - 2²⁶ = 3706591088677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706658197531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12517196 + ... + 12809898.

It is an arithmetic number, because the mean of its divisors is an integer number (133471267776).

Almost surely, 2^{3706658197541} is an apocalyptic number.

It is an amenable number.

3706658197541 is a deficient number, since it is larger than the sum of its proper divisors (564422371291).

3706658197541 is a wasteful number, since it uses less digits than its factorization.

3706658197541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293813.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 3706658197541 in words is "three trillion, seven hundred six billion, six hundred fifty-eight million, one hundred ninety-seven thousand, five hundred forty-one".